Which geologic principle states that sedimentary rocks are deposited in flat layers?

The law of superposition allows geologists to determine ___________ dates on geographic timelines. 

A geologist discovered a fossil in a layer of rock.  This fossil is an index fossil.  What can they determine from this fossil?

The law of superposition allows geologists to determine ___________ dates on geographic timelines. 

States that in sedimentary environments, sediments are laid down in flat, horizontal layers

States that in sedimentary environments, sediments are laid down in flat, horizontal layers

States that in undisturbed sedimentary environments layers at the bottom are older than layers on top

The history of life recorded as the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock

The history of life recorded as the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock

The history of life recorded as the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock

Layers of sedimentary or igneous rock that was formed at the Earth's surface

States that processes that shape our planet today operated in the same way throughout Earth's history

States that processes that shape our planet today operated in the same way throughout Earth's history

States that processes that shape our planet today operated in the same way throughout Earth's history

Layers of sedimentary or igneous rock that was formed at the Earth's surface

States that in undisturbed sedimentary environments layers at the bottom are older than layers on top